--- zzzz-none-000/linux-3.10.107/include/linux/usb/phy.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/usb/phy.h	2021-02-04 17:41:59.000000000 +0000
@@ -1,5 +1,5 @@
-/* USB OTG (On The Go) defines */
 /*
+ * USB PHY defines
  *
  * These APIs may be used between USB controllers.  USB device drivers
  * (for either host or peripheral roles) don't use these calls; they
@@ -12,6 +12,15 @@
 #include <linux/notifier.h>
 #include <linux/usb.h>
 
+enum usb_phy_interface {
+	USBPHY_INTERFACE_MODE_UNKNOWN,
+	USBPHY_INTERFACE_MODE_UTMI,
+	USBPHY_INTERFACE_MODE_UTMIW,
+	USBPHY_INTERFACE_MODE_ULPI,
+	USBPHY_INTERFACE_MODE_SERIAL,
+	USBPHY_INTERFACE_MODE_HSIC,
+};
+
 enum usb_phy_events {
 	USB_EVENT_NONE,         /* no events or cable disconnected */
 	USB_EVENT_VBUS,         /* vbus valid event */
@@ -54,7 +63,7 @@
 struct usb_phy;
 struct usb_otg;
 
-/* for transceivers connected thru an ULPI interface, the user must
+/* for phys connected thru an ULPI interface, the user must
  * provide access ops
  */
 struct usb_phy_io_ops {
@@ -68,7 +77,6 @@
 	unsigned int		 flags;
 
 	enum usb_phy_type	type;
-	enum usb_otg_state	state;
 	enum usb_phy_events	last_event;
 
 	struct usb_otg		*otg;
@@ -84,10 +92,10 @@
 	u16			port_status;
 	u16			port_change;
 
-	/* to support controllers that have multiple transceivers */
+	/* to support controllers that have multiple phys */
 	struct list_head	head;
 
-	/* initialize/shutdown the OTG controller */
+	/* initialize/shutdown the phy */
 	int	(*init)(struct usb_phy *x);
 	void	(*shutdown)(struct usb_phy *x);
 
@@ -98,10 +106,17 @@
 	int	(*set_power)(struct usb_phy *x,
 				unsigned mA);
 
-	/* for non-OTG B devices: set transceiver into suspend mode */
+	/* Set phy into suspend mode */
 	int	(*set_suspend)(struct usb_phy *x,
 				int suspend);
 
+	/*
+	 * Set wakeup enable for PHY, in that case, the PHY can be
+	 * woken up from suspend status due to external events,
+	 * like vbus change, dp/dm change and id.
+	 */
+	int	(*set_wakeup)(struct usb_phy *x, bool enabled);
+
 	/* notify phy connect status change */
 	int	(*notify_connect)(struct usb_phy *x,
 			enum usb_device_speed speed);
@@ -133,7 +148,7 @@
 /* helpers for direct access thru low-level io interface */
 static inline int usb_phy_io_read(struct usb_phy *x, u32 reg)
 {
-	if (x->io_ops && x->io_ops->read)
+	if (x && x->io_ops && x->io_ops->read)
 		return x->io_ops->read(x, reg);
 
 	return -EINVAL;
@@ -141,7 +156,7 @@
 
 static inline int usb_phy_io_write(struct usb_phy *x, u32 val, u32 reg)
 {
-	if (x->io_ops && x->io_ops->write)
+	if (x && x->io_ops && x->io_ops->write)
 		return x->io_ops->write(x, val, reg);
 
 	return -EINVAL;
@@ -150,7 +165,7 @@
 static inline int
 usb_phy_init(struct usb_phy *x)
 {
-	if (x->init)
+	if (x && x->init)
 		return x->init(x);
 
 	return 0;
@@ -159,14 +174,14 @@
 static inline void
 usb_phy_shutdown(struct usb_phy *x)
 {
-	if (x->shutdown)
+	if (x && x->shutdown)
 		x->shutdown(x);
 }
 
 static inline int
 usb_phy_vbus_on(struct usb_phy *x)
 {
-	if (!x->set_vbus)
+	if (!x || !x->set_vbus)
 		return 0;
 
 	return x->set_vbus(x, true);
@@ -175,7 +190,7 @@
 static inline int
 usb_phy_vbus_off(struct usb_phy *x)
 {
-	if (!x->set_vbus)
+	if (!x || !x->set_vbus)
 		return 0;
 
 	return x->set_vbus(x, false);
@@ -190,10 +205,13 @@
 extern struct usb_phy *devm_usb_get_phy_dev(struct device *dev, u8 index);
 extern struct usb_phy *devm_usb_get_phy_by_phandle(struct device *dev,
 	const char *phandle, u8 index);
+extern struct usb_phy *devm_usb_get_phy_by_node(struct device *dev,
+	struct device_node *node, struct notifier_block *nb);
 extern void usb_put_phy(struct usb_phy *);
 extern void devm_usb_put_phy(struct device *dev, struct usb_phy *x);
 extern int usb_bind_phy(const char *dev_name, u8 index,
 				const char *phy_dev_name);
+extern void usb_phy_set_event(struct usb_phy *x, unsigned long event);
 #else
 static inline struct usb_phy *usb_get_phy(enum usb_phy_type type)
 {
@@ -222,6 +240,12 @@
 	return ERR_PTR(-ENXIO);
 }
 
+static inline struct usb_phy *devm_usb_get_phy_by_node(struct device *dev,
+	struct device_node *node, struct notifier_block *nb)
+{
+	return ERR_PTR(-ENXIO);
+}
+
 static inline void usb_put_phy(struct usb_phy *x)
 {
 }
@@ -235,6 +259,10 @@
 {
 	return -EOPNOTSUPP;
 }
+
+static inline void usb_phy_set_event(struct usb_phy *x, unsigned long event)
+{
+}
 #endif
 
 static inline int
@@ -249,16 +277,25 @@
 static inline int
 usb_phy_set_suspend(struct usb_phy *x, int suspend)
 {
-	if (x->set_suspend != NULL)
+	if (x && x->set_suspend != NULL)
 		return x->set_suspend(x, suspend);
 	else
 		return 0;
 }
 
 static inline int
+usb_phy_set_wakeup(struct usb_phy *x, bool enabled)
+{
+	if (x && x->set_wakeup)
+		return x->set_wakeup(x, enabled);
+	else
+		return 0;
+}
+
+static inline int
 usb_phy_notify_connect(struct usb_phy *x, enum usb_device_speed speed)
 {
-	if (x->notify_connect)
+	if (x && x->notify_connect)
 		return x->notify_connect(x, speed);
 	else
 		return 0;
@@ -267,7 +304,7 @@
 static inline int
 usb_phy_notify_disconnect(struct usb_phy *x, enum usb_device_speed speed)
 {
-	if (x->notify_disconnect)
+	if (x && x->notify_disconnect)
 		return x->notify_disconnect(x, speed);
 	else
 		return 0;